Full Stack TypeScript Developer

📍 Ukraine / Europe (native Ukrainian required) | Remote | Full-time

Our client – a dynamic and growing software studio building complex web and mobile applications – is looking for a Senior Full-Stack Developer (Node.js + React + React Native + TypeScript).

You will work on end-to-end development across server and client, contribute to architecture and optimization, and mentor junior engineers.

Responsibilities

• Develop user-friendly interfaces for web and mobile applications using React.js and React Native.
• Implement server-side logic with Node.js/TypeScript, ensuring scalability and high performance.
• Design and integrate APIs (RESTful, GraphQL) and manage data flow between client and server.
• Work with PostgreSQL: schema design, query optimization, and database reliability.
• Identify and resolve performance bottlenecks and bugs.
• Maintain code quality, automation, and CI/CD best practices.
• Collaborate with product managers, designers, and engineers in Agile processes.
• Conduct code reviews and mentor junior developers.

Requirements (Must-Have)

• 6+ years of full-stack development experience.
• Strong expertise in Node.js and TypeScript.
• Proven experience with React.js and React Native.
• Proficiency in PostgreSQL (data modeling, query optimization).
• Solid understanding of modern frontend practices, Redux/Mobx, and responsive design.
• Experience with RESTful and GraphQL APIs.
• Strong knowledge of HTML5, CSS3, with attention to UI/UX details.
• Experience with build tools (Webpack, Babel, npm).
• Knowledge of testing frameworks (unit and integration tests).
• Proficiency with Git.
• Experience with CI/CD and deployment processes.
• Strong problem-solving and collaboration skills.
• Native Ukrainian + English (B2+) required.

Preferred (Nice-to-Have)

• Experience with additional frontend frameworks (Angular, Vue.js).
• Knowledge of Docker, Kubernetes.
• Familiarity with design systems and component libraries.
• Experience in an Agile/Scrum environment.
• Leadership or mentoring experience.

Hiring process

• Resume and portfolio review
• 30-45 minute initial interview
• Short exercise
• 60 minute exercise review (panel)
• Leadership interview(s)
• Decision

Remote restrictions: Workday must overlap by at least 3 hours with Los Angeles, CA, USA